EN 10305-1 Cold Rolled Steel Tube Carbon Seamless Steel Tubes For Hydraulic Cylinders
EN 10305-1 Cold Rolled Steel Tube Carbon Seamless Steel Tubes For Hydraulic Cylinders
Introduction
EN 10305-1 Cold Rolled Steel Tube is a standard that specifies the technical delivery conditions for seamless cold-drawn steel tubes of circular cross-section used in hydraulic and pneumatic power systems. These carbon seamless steel tubes are primarily designed for use in hydraulic cylinders due to their exceptional strength and durability.
Material and Specification
The material used in EN 10305-1 Cold Rolled Steel Tube is carbon steel. The seamless tubes are cold-drawn and have a circular cross-section. The dimensions of these tubes are specified as outer diameter (OD) and wall thickness (WT), and are presented in metric sizes. The standard provides various permissible deviations in dimension and form.
Key Features
EN 10305-1 Cold Rolled Steel Tube offers several key features that make it suitable for hydraulic cylinders:
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High Strength: The carbon steel used in these tubes provides exceptional strength and durability, ensuring reliability and long service life.
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Seamless Construction: The seamless manufacturing process ensures a smooth interior surface, reducing friction and pressure losses within the hydraulic system.
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Uniform Wall Thickness: The tubes have uniform wall thickness, guaranteeing consistent performance and optimal load-bearing capacity.
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Excellent Machinability: The tubes are easy to machine, allowing for precise customization and assembly of hydraulic cylinders.
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Tight Tolerances: The standard specifies the tolerances for dimensions, form, and mechanical properties, ensuring high precision and quality of the tubes.
Chemical Composition
The chemical composition of EN 10305-1 Cold Rolled Steel Tubes is shown in the table below:
| Element | Chemical Composition (%) |
|---|---|
| C (Carbon) | 0.22 max |
| Si (Silicon) | 0.55 max |
| Mn (Manganese) | 1.60 max |
| P (Phosphorus) | 0.025 max |
| S (Sulfur) | 0.025 max |
Mechanical Properties
The mechanical properties of EN 10305-1 Cold Rolled Steel Tubes are provided in the table below:
| Property | Value |
|---|---|
| Tensile Strength | 580-750 MPa |
| Yield Strength | 450-600 MPa |
| Elongation | 15-20% |
| Hardness (Rockwell B) | 80 max |
Steel Grade
EN 10305-1 Cold Rolled Steel Tubes are available in various steel grades, including:
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E235 - This grade offers good weldability and excellent formability, making it commonly used in hydraulic systems.
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E355 - Known for its high strength and impact resistance, E355 is suitable for heavy-duty hydraulic cylinders.
Application
EN 10305-1 Cold Rolled Steel Tubes are widely used in hydraulic cylinders for various applications such as:
- Construction Machinery
- Agricultural Equipment
- Material Handling Equipment
- Industrial Machinery
- Automotive Systems
Possible Alternative Grades
In addition to the mentioned steel grades, there are possible alternative grades available based on specific requirements and regional standards. These alternatives may include:
- ASTM A519 Grade 1020
- DIN 2391-2 St52.4
- JIS G3445 STKM11A
It is essential to consult engineering standards and guidelines to determine the most suitable alternative grade for specific applications.
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